@article{ZakrevskyyRitschelDoscheetal.2012,
  author    = {Y. Zakrevskyy and T. Ritschel and C. Dosche and Hans-Gerd L{\"o}hmannsr{\"o}ben},
  title     = {Quantitative calibration - and reference-free wavelength modulation spectroscopy},
  journal   = {Infrared physics \& technology},
  volume    = {55},
  number    = {2-3},
  pages     = {183 -- 190},
  doi       = {10.1016/j.infrared.2011.12.001},
  year      = {2012},
}